Optimized for large flows

Alfa Laval PureBallast 1500 m3/h reactor

Less cost & complexity in large-flow ballast water treatment systems


Alfa Laval PureBallast 3

Pure confidence – in all waters

Alfa Laval PureBallast 3 is the third generation of the leading ballast water treatment technology – and the first solution to be revised G8 ready. Type approved by the U.S. Coast Guard as well as by IMO, it offers unmatched performance in the most challenging waters. Over 2400 PureBallast systems have been sold to date, including hundreds installed as retrofits.

Energy efficient, Alfa Laval PureBallast 3 offers superior performance in all waters: fresh, brackish and marine. It is also the ideal system for low-clarity water, able to operate at full flow where UV transmittance is as low as 42%.

In addition, Alfa Laval PureBallast 3 has the backing of a well-prepared supplier. Large-scale production resources, strong partnerships and a well-developed service offering make Alfa Laval the confident choice in ballast water treatment.

 Total solutions in ballast water treatment

Ballast water treatment is all about protecting the environment. But acquiring a ballast water treatment system is all about your needs: being able to sail smoothly, with timely deliveries and fulfilled obligations towards your customers.

Alfa Laval has a complete approach to meeting your needs – now and throughout the vessel lifetime.

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Cost savings with UV

UV ballast water treatment competes easily when it comes to economy. Here’s how you save by choosing UV over electrochlorination (EC).


Stay updated on ballast water treatment with our PureBallast newsletter.

Latest press release

TORM signs a fleet agreement to install Alfa Laval PureBallast 3 Ex systems on 47 product tankers.

Select an approved system

Use our selection guide to find the right type-approved ballast water treatment system for your sailing profile.

Computer-based training 

 Take advantage of PureBallast 3 Computer-Based Training (CBT) to get crews ready for what they’ll meet on board.

Everything you need to know

Take advantage of our decade of experience with resources covering every aspect of ballast water management.


Tillid til alt fra eftermontering til videresalg

Dit valg af system til behandling af ballastvand er et valg for fremtiden. Udover at sikre en problemfri eftermontering udbyder Alfa Laval serviceløsninger for at sikre systemets ydeevne og langsigtede værdi.



Common questions and smart advice


Documentation, images and more

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